CNormsBytes* CInMemoryIndexBarrelReader::norms(fieldid_t fid)
{
if(m_pNormsReader == NULL)
m_pNormsReader = m_pIndexBarrelWriter->m_pNormsWriter->normsReader(m_pIndexBarrelWriter->getFieldsInfo());
FIRTEX_ASSERT(m_pNormsReader,_T("Get norms reader failed."));
return m_pNormsReader->getNorms(fid);
}
void CPostingMerger_WL::mergeWith(docid_t baseDocID,CInMemoryPosting* pInMemoryPosting)
{
CInMemoryPosting_WL* pInMemoryPostingWL = static_cast<CInMemoryPosting_WL*>(pInMemoryPosting);
FIRTEX_ASSERT(pInMemoryPostingWL,_T("dynamic cast failed."));
///flush last doc
pInMemoryPostingWL->flushLastDoc(true);
CBitVector* pFilter = pInMemoryPosting->getFilter();
if(pFilter && pFilter->hasSmallThan((size_t)pInMemoryPostingWL->m_nLastDocID))///there are deleted documents
{
PostingChunk* pChunk = pInMemoryPostingWL->m_pDocFreqList->m_pHeadChunk;
if(pChunk)
{
uint8_t* bp = &(pChunk->data[0]);
docid_t firstDocID = CCompressedPostingList::decodePosting32(bp);
if(!pFilter->hasBiggerThan(firstDocID))///no deleted documents in this posting
{
mergeWith_(baseDocID,pInMemoryPostingWL);
}
else //may be there are some deleted documents in this posting
{
mergeWith_GC(baseDocID,pInMemoryPostingWL,pFilter);
}
}
}
else
{
mergeWith_(baseDocID,pInMemoryPostingWL);
}
}
df_t IndexReader::getMaxDocs()const
{
BarrelsInfoPtr pBarrelsInfo = m_pBarrel->getBarrelsInfo();
FIRTEX_ASSERT((pBarrelsInfo != NULL), _T("The index has not opened yet."));
return pBarrelsInfo->getDocCount();
}
void CIndex::setDocSchema(CDocumentSchema* pSchema)
{
FIRTEX_ASSERT((m_pWriter==NULL),_T("Call setDocSchema() before calling acquireWriter()"));
if(m_pDocSchema)
delete m_pDocSchema;
m_pDocSchema = NULL;
m_pDocSchema = new CDocumentSchema(*pSchema);
}
void CMMapIndexInput::close()
{
#ifdef WIN32
if ( m_pData != NULL )
{
if ( ! UnmapViewOfFile(m_pData) )
{
FIRTEX_ASSERT( false, _T("UnmapViewOfFile(m_pData) failed"));
}
}
if (m_hMap != NULL )
{
if ( ! CloseHandle(m_hMap) )
{
FIRTEX_ASSERT( false, _T("CloseHandle(mmaphandle) failed"));
}
}
if ( m_hFile != NULL )
{
if ( !CloseHandle(m_hFile) )
{
FIRTEX_ASSERT( false, _T("CloseHandle(fhandle) failed"));
}
}
m_hMap = NULL;
m_hFile = NULL;
#else
if ( m_pData != NULL )
::munmap(m_pData, m_length);
if ( m_hFile > 0 )
::fileClose(m_hFile);
m_hFile = 0;
#endif
m_pData = NULL;
m_nPos = 0;
}
void CPostingMerger_WL::mergeWith(docid_t baseDocID,COnDiskPosting* pOnDiskPosting)
{
COnDiskPosting_WL* pOnDiskPostingWL = static_cast<COnDiskPosting_WL*>(pOnDiskPosting);
FIRTEX_ASSERT(pOnDiskPostingWL,_T("static cast failed."));
CBitVector* pFilter = pOnDiskPostingWL->getFilter();
if(pFilter && pFilter->hasSmallThan((size_t)pOnDiskPostingWL->m_chunkDesc.lastdocid))///there are deleted documents
{
mergeWith_GC(baseDocID,pOnDiskPostingWL,pFilter);
}
else
{
mergeWith_(baseDocID,pOnDiskPostingWL);
}
}
CFactoryFinder* CIndex::getFactoryFinder()
{
if(m_pFactoryFinder)
return m_pFactoryFinder;
if((m_accessMode & ACCESS_CREATE) != ACCESS_CREATE)
{
m_pFactoryFinder = createFactoryFinderFromExistIndex();
}
if( (m_pFactoryFinder == NULL) && ( (m_accessMode & ACCESS_APPEND) || (m_accessMode & ACCESS_CREATE)))
{
if(m_pWriter == NULL)
return NULL;
m_pFactoryFinder = m_pWriter->createFactoryFinder();
}
FIRTEX_ASSERT( m_pFactoryFinder,_T("Create field factories failed."));
return m_pFactoryFinder;
}
tstring IndexReader::getIndexVersion() const
{
BarrelsInfoPtr pBarrelsInfo = m_pBarrel->getBarrelsInfo();
FIRTEX_ASSERT((pBarrelsInfo != NULL), _T("The index has not opened yet."));
return pBarrelsInfo->getIndexVersion();
}
CFieldsInfo& CInMemoryIndexBarrelReader::getFieldsInfo()
{
FIRTEX_ASSERT(m_pIndexBarrelWriter->m_pFieldsInfo,_T("Get fields info failed."));
return (*m_pIndexBarrelWriter->m_pFieldsInfo);
}
